Article of repose for supporting the body of a person



March 23, 1954 J LUCKHARDT 7 2,672,919

ARTICLE OF REFUSE FOR SUPPORTING THE BODY OF A PERSON Filed Aug. 15,1952 6 Sheets-Sheet l INVENTOR JOHQNNES LUCKHQRDT ATTORNEY March 23,1954 J, L D-r 2,672,919

ARTICLE OF REPOSE FOR SUPPORTING THE BODY OF A PERSON Filed Aug. 15,1952 e Sheets-Sheet 2 I55 I54 I70 INVENTOR JOHFINNES LUCK'HQRDT ATTORNEYMarch 23, 1954 LUCKHARDT 2,672,919

ARTICLE OF REPOSE FOR SUPPORTING THE BODY OF A PERSON Filed Aug. 15,1952 6 Sheets-Sheet 3 INVENTOR JOHQNNES LUCRHHRDT BY Z.

ATTORNEY March 23, 1954 J. LUCKHARDT ARTICLE OF REPOSE FOR SUPPORTINGTHE BODY OF A PERSON 6 Sheets-Sheet 4 Filed Aug. 15, 1952 !N VENTOR JOHQNNES LUCKHQRDT ATTORNEY March 3, 1954 J. LUCKHARD'T ARTICLE OF REPOSEFOR SUPPORTING THE BODY OF A PERSON 6 Sheets-Sheet 5 Filed Aug. 15, 1952INVENTQR JOHHNN ES LUCK HHRDT ATTORNEY March 23, 1954 uc Rg 2,672,919

ARTICLE OF REFUSE FOR SUPPORTING THE BODY OF A PERSON Filed Aug. 15,1952 6 Sheets$heet e INVENTOR JOHHN NES LUCKHQRW ATTORNEY Patented Mar.2 3, 1954 ARTICLE. R. REPOSE FOR SUPPORTING "THECBODY OF H'PERSONJohannes: Luckhat'dt, Berlin-Dahlem; Germany, hrassignon'ibyzmesne'assignments, to Norman? P. .wMartin andw OttoiL. Walter, as trustees'npplicationAug-ustifi, 1952,Serial him-304,501

"article'ofrepose are mo'ved from the sitting -po- .1

=s'ition' into a reclined positiony-so that the supporting portion-of'-tlie -1egrest in the-elevated --p'osition=of the latter isex-tended to sucha degreet thata' full support er the legs *of *a tallpe'rsonresting'on' the article of repose is assured.

Andther' obj ect-"of the-present invention "is toimproveonthe'=-construction='of articles of-repose for supporting "thebody-Ufa person as now=customar'ily -made.

' -The above 'mentioned objectsand advantages, -"as well 1 as otherobjectsand advantages, =-wi1l be more' fully" disclosed in "thefollowing s'pecification;"reference beingliad to the accompanyingdrawings forming part of this specification, wherein: v

Fig. l is a "de--elevationalview of anadjust- "able re'cliningchair'including a leg -rest' control arrangement according-to the invention aportion'of-a side wall of the frame b'eing broken away,

'--Fig. 2--'is -a-sidee1evational view of -the-'=chair similar to he"chair *shown in Fig.- 1, wherein, howeverfithe movable members -of thechairare in=a reclinedposition,

Figs. Sand '4 are side elevational views of a a "different "embodimentof an -adjustable reclining chair, wherein the movable members are inasitting andwecli ng position" respectively-a portion 'of '-a-- side-'-w'all being brokenaway,

Figs 5 'and 6 are side elevational views of -=a further embodiment aranadjustable reclining their with' the movable members" in two differentpo'siti'onsj'a' portion of "the frame being broken away,

Figsf'l and Bareanother side elevational-view each of aidifierent"embodiment of" an adjustable reclining chair, wherein-the"movable-members are .in'a sitting and reclining positionrespectively, a;lpor'tio'n Idf- ..a vside wau being broken away, I

"Figs. 9 and 10 are further side 'elevational 17 :1Claims. (Cl. 155-106)views of a *difierent embodiment of an' 'adj'ustable reclining chair,wherein the movable members are in a sitting and reclining positionrespectively, a portionof aside wall'being broken away,

Figs. 11 and- 12 are'still -another-elevational view each-ofadifierent-embodiment of an adjustable reclining chair,- wherein themovable members are in ra sitting andreclining position respectively, aportion of aside'wall'being broken away.

Referring now to Figs. 1 "and 2, 20 generally indicates the support" ofa an" adjustable reclining armchair. Saidsupport 20 comprises "theside.walls 22 and -24 connected with each other-by the rear wall '25 and-apair--of-cross-bars 28. The arm-rests of the chair-are inclu'deddntheside Walls thereof. A'back-rest including -a "downward. extension 32'isnswing'ably mounted on the support 2!! at 34. "The rear end of aseal-. 36 is swingably-mounted on the support--.at 34 in coaxialalignment with the pivotal connection .betweenthe back;-rest--30and thesupport 20.

The upperend of' atcurvedfront connecting 'link 38 is pivoted to thefrontaend :of the seat 5 36- at 40. A lowerconnecting-link! ispivotedtothe said front connecting-link}?at .4'4. ;The-rear' end portion of:saidlower'rconnecting linki42' 'is pivotedto the downward extension 32of the back-rest 30 at 146. The-lower end of a'guiding link 48 ispivoted :to...the -.lower--connecting.. link '42. at 50; the "upperend'iof-zs'aidiguiding; link 48 is pivoted to the-support 0.:at952.

Thus, .theconstrained linkage of .atherchair shown in Fig. 1includesJthe portion lOf .the support between. the pivots, 34 and 52a'siitsstationary link and the downward extension32:..ofthebackrest-structure, the lower connecting .link .42, the

front connecting link :38, the seatLSB land the guiding link 48 asi-itsimovable'jlinks.

"According to the; invention :the :upper end of a leg-rest 54 islpivotedat;56 atoa forward-extension 58 of the lower-connecting link 42.--'According to the embodiment shownin Fig. lsaidforward extensiontB isintegral'awith the lowen'connecting link 42, however,.-if: desired; thismember 58 could be rigidly: connected with the lower-con nectinglink-.42inaa different way, for exampleby means of screws. .The frontconnecting link. has a downward extension...60.projectingbeyond thepivotal connection.44.of thelfrontconne'cting link 38 with thelowerconnecting. link 42. "According to the exhbo'climentshown inFig.',1" this downward extension 60- is 'integral withthefrontconnecting link 38 howeven'ifdesiredtthe-mem= ber 66 can be rigidlyconnected with the front connecting link 38 in a different way, forexample by screws or the like. The rear end of a controlling link 62 ispivoted to said downward extension 60 of the front connecting link 38 at64. The front end of said controlling link 62 is pivoted to the leg-rest54 at 66.

The lower connecting link 42 with its forward extension 53 and the frontconnecting link 38 with its downward extension 63 form a scissorlikedevice, the pivotal connection 44 oi which is oiiset rearwardly relativeto the pivotal connection 46 between the front connecting link and theseat 36. The pivotal connection 46 between the front connecting link 38and the seat 36 is arranged near the front end of the latter and thepivotal connection 56 between the forward extension 58 of the lowerconnecting link 42 and the leg-rest 54 is located near to the lower edgeof the seat 36.

Thus, when the movable back-rest 33 and seat 36 of the chair shown inFig. 1 are brought into a reclined position as shown in Fig. 2, thelegrest control arrangement connected with the link system of the chaircauses a lifting of the leg rest 54 into the elevated position shown insaid Fig. 2,- at the same time, owing to the scissorlike device 36, 66and 58, 42 included in said leg-rest control arrangement, the distancebetween the pivots 46 and 56 is increased, so that the leg-rest 54 isadvanced to such an extent, that it may properly support the legs of atall person.

According to the embodiment shown in Figs. 3 and 4, the leg-rest controlarrangement includes a separate mechanism pivotally connected with linksof the constrained linkage of the cl According to Figs. 3 and 4, theback-rest 53?! having a downward extension 532 is pivotally connectedwith the support 123 at Hit. The rear end of the seat E36 is pivotallyconnected with the support 426 at I35. The lower connecting link M3pivoted at its rear end with the down ward extension 32 at !46 ispivotally connected with the lower end of the front connecting link I39at [43. The upper end of said front connecting link E39 is pivoted atl4| to the seat A guiding link H43 pivoted at its upp r end to thesupport 225 at 552 is pivotally connected with the lower connecting linkI43 at I56. guiding link I48 includes an extension 43 projectingdownwardly beyond the pivotal connection The scissorlike device of theleg-rest control according to said embodiment of said Figs. 3 and 4includes two double-armed levers 63 and pivotally connected with eachother at M4. The upper arm i323 of the double-armed lever 1263 ispivoted to the front end of the seat 536 at 44. The lower arm i653 ofsaid double-armed lever IE8 is pivoted to the rear end of the cont; innglink 462 at M4. The front end of said controlling link l62 is pivoted tothe leg rest E54 at i66. The forwardly extending arm 156 of thedoublearmed lever H6 is pivoted to the upper portion of the leg-rest H54at i56. The other arm M2 of said double-armed lever Elli is pivotallycon nected with the downward extension I49 of the guiding link 548 atH2. Again, the pivot 544 between the elements i66 and 576 of thescissor-like device of the leg-rest control arrangement is rearwardlyoffset relative to the pivotal connection I46 between the upper end ofthe doublearmed lever I66 and the seat Hi6; furthermore, the pivotalconnection (56 between the leg-rest I54 and the forwardly extending arm8 56 of the double-armed lever H0 is located below and near to the lowersurface of the seat I36.

When the movable members of the chair are brought into the reclinedposition shown in Fig. l, the leg-rest I54 is lifted and advanced intothe position shown in said Fig. 4.

According to the embodiment shown in Figs. 5 and 6, the separateleg-rest control arrangement 268, 216, 262, 254, corresponding to theseparate leg-rest control arrangement described above in connection withFigs. 3 and 4 is pivotally connected at 212 with a downward extension243 of a guiding link 248 pivoted to a lug of the support 220 at 252.The guiding link 243 is integral with an intermediate connecting link214 of a chain of connecting links including the front connecting link276, said intermediate connecting link and a top connecting link orarm-rest 278. The lower end of the front connecting link 276 is pivotedto the seat 236 at 24!. The other end of said front connecting link 216is pivoted to the intermediate connecting link 214 at 280. The upper endof the intermediate connecting link 214 is pivoted to the top connectinglink 278 at 282. The rear end of said top connecting link 218 is pivotedto the back-rest 230 at 264. Said back-rest is pivoted to the support226 at 234 at a point remote from the pivotal connection 235 between theseat 236 and the support 226. The elevated and advanced position of theleg-rest 254, when the back-rest and seat of the chair are brought intoa reclined position, may be readily gathered from Fig. 6.

According to the embodiment shown in Figs. '7 and 8, the leg-restcontrol arrangement according to the invention is applied to a differentkind of an adjustable reclining chair. The backrest 336 and seat 336 arepivoted to the support 326 at 334. The rear end of a connecting link 386is pivoted at 346 to a downward extension 332 of the back-rest 330. Thefront end of said connecting link 386 is pivoted at 388 to a controllingmember, generally indicated by 396. Said controlling member 390 beingpivoted to a support 320 at 392 has three arms 39!, 393 and 395. Aroller 394, journalled on the arm 395 of the controlling member 390, isin engagement with the seat 336 for controlling the movements of thelatter. The leg-rest control arrangement comprises the two double-armedlevers 368 and 316 pivotally connected with each other at 344, so as toform a scissorlike device. The upper arm 338 of the double-armed lever368 is again pivoted to the seat 336 at 340. The forwardly extending arm356 of the double-armed lever 310 is pivotally connected with the upperend of the leg-rest 354 at 356. The other arm 342 of said double-armedlever 310 is pivoted to the arm 393 of the controlling member 336 at365. A controlling link 362 is pivoted to the arm 363 of thedouble-armed lever 368 at 364, and to the leg-rest 354 at 366. Again thepivots 343, 344, 356 are arranged at the corners of a triangle, thepivot 344 being rearwardly oifset relative to the pivot 340 and thepivot 356 being below and near to the lower surface of the seat 336.

When the back-rest 336 and seat 336 are brought into the reclinedposition shown in Fig. 8, the leg-rest 354 is lifted and moved away fromthe front end of the seat 336, as shown in Fig. 8.

According to the embodiment shown in Figs. 9 and 10, the chair comprisesa back-rest 436 pivoted to the support 426 at 434. The rear end of aconnecting link 486 is pivoted to the downward extension 432 of theback-rest 436 at 446.

The rrontzendf of said connecting:linkfilB-Ihpivotzd .atfi488 toiatcontrolling member 490 :is *swingably mounte'd onzithessupport -AZO :at492. :SSaid controllingmemb'er :490 ;is:.in the' shape: ofsa plate. Thelower i end :of: a 1inki49i6 isrpivoted to said controllingimemberl lfin:at 498. :The upper: end or said"link l496is ipivotedto the seat lliifiiat flfill. The "rear end of the :seat 436.: is :pivoted'. to :thesupport at 435.

""The upper arm 438 I ofthe double armed lever 8 i the leg r-est controlis swingablymounted on the ifront end of the -seat 43 6 at 440. "Theforwardlyextending'end '458 of the double-armed -lever'- '4 l0 pivotallyconnected avith the :doublearmed lever 468 at 444 is- -'-in pivotalconnection with the upper 'endofthe leg-rest 454: at 456. The 'otherarm' -MZ f of said double=armed lever #1 Nispivoted to the 'controlling'member-M90 at 465. A controlling link 462is pivoted to the legrestl'o'kat dfifi and .to the i lower-arm 4601 of the double armed' lever468 at 464.

-Thus, the leg -rest control *arrangement again includes the-scissorlikedevice' lfifl Ml osandwvhen the back-rest and seat are brought :into"the recline'd position-shownin Fig. 10, the-leg-rest 454 is elevated andmoved away from'the seat 436.

According to the embodiment shown in Figs. Hand 12, the leg-rest controlarrangement' SSB, 510, '-562,'-"554 is 'appliedto a chair, wherein theback-rest- 530 -and the 'seat 535' are rigidly connected "with=eachother *so" as -to "form 'a "unit swingably mounted on thesupport"520 at" 534. Adownward extension" 532 rigidly connected with said unit530, 536 is pivoted "at' fi lfi to' the-"rear end-ora connecting "link 3586. The front end of saidconnecting link IaBB is -pivote'd at 502' to alink "-504 swingably mounted on' the support ii-20 at 506. "Therearwardly extendingarm 54,2 of the double-armed lever 'illl ofthe'leg-restcontrol arrangement is pivoted at 5fi4 to' the link 5594.The upper -ar'm 538 of the double armed lever 568" is pivoted to the"-front end of the seat 5 536 at '540.

rocking of the back rest seat unit 539, 536 from the sittingposition-shown in' Fig. 11 into the reclined position' shown'in"Fig.- 12causes an elevation and 'forward 'movement' of the leg-rest 55'4-"intothe 'position shown in said Fig; 12 "by means of the leg-rest'control-arrangement 568, 510, 562, describedabove.

The chairs of all embodiments maybeprovided withstops for limiting the'extremesittingposition and 1 extreme reclined position.

Furthermore; locking means 'may be arranged on the chairs 'for a holdingthe'movable members thereof in a desired position.

'*=I'have described preferred embodimentsof my invention; but it isunderstood that this disclosure isfor the purpose of illustration andthat'various omissions or changes in shape, proportionandarrangement ofparts, as'well as the substitution of equivalent elementsforthose,'hereinshovvn and described may-be made without departing fromthespirit" and scope of the" invention as set forth in the appended.claims.

"What I claim is:

"1. A 'leg-rest control arrangement, for use. in an. articleof reposefor supporting the-body of a person wherein stationary'link-means oitaconstrained linkage are includedin a support and wherein aback-rest-structure and a seat structure "form movable link-means of'thefmovable link-means of'said constrained linkage said legrest"control :arrangement comprising: a first double-armediever;a:seconddouble armediever,

remnants assaid -two' doful ale=arme(it levers abeing:pivotallmconnected with each other at intermediatespoint thereof in 1as'cissorlike arrangement, 5- theoupper arm of said first double-armedlever being swingably mounted on I said seatestructure :near tithefrontiend of :the latter, onef-arm ofi'saidi'sec'ond double-armed leverproj ecting: forwardlyr.:beyond theirpivotal connection betweensaid'ztwowdouble- :armed: levers and :below said :pivotal connectionbetween thezseatzanda'the iupperrlarmzofl said=sfirst .doublesarmedlever, ;a .legerest: swingablymounted =on said:forwardlyaprojecting armofzsaidsecond doubles-armed ilever, rand a controlling link pivotally;connected sat-its; rear end ".Wlth-th8 r10WBl arm :of 'said'rvfir'st.double-iarmed lever: and at its :front' "end 'with'said leg-rest .at .a:pointzremote from the pivotal connectionbetween-said leg-rest and said"forwardly; projecting arm of: the second ;double=armedi=lever, the:pivotal connectionmbetween the-seat and the upper :arm OfnthBmfiP-Stdouble-armed lever being aboveithe pivotal connection :between"the-deg-rest and the forwardly proj ectingciarm of the second:double-armedlever .and: above the other beforementionedpivotalconneotions of --said two doubleearmed levels when theseat isin its-sitting position, and theother arm'of said seconddouble-armed'lever being connected-with a movable link-means of saidconstrainedxlinkage so 'as to participate in.mov.e ments of the latterwhereby the distance between the pivots on the ends of.-said upper armrof the first double-armed lever and-said forwardly projecting 'arm ofthe second doubleearmed' lever; is increased when the members of the.articlenare moved from a sitting positionrinto a reclined position.

2. In a leg-rest control arrangement'as. claimed inolaim .1, the pivotal.connection' between the seatand the upperarm of the first double-armedleverand the pivotal connection between. thellegrestandthe forwardlyprojecting'armof the second double-armed lever being substantiallyinvertical alignment with each other when 'the seat is in its. sittingposition.

3. Inr-a-leg-rest control arrangement as claimed in r claim ,1, thepivotal connection between the forwardly extending arm of theseconddoublearmed-leverand the leg-rest beinglocated nearto the loweredge of the seat-structure.

A. Inaalegv-rest control arrangement as claimed inxclaim 1,. said otherarm of the second'doublearmed .lever being rigid withthemovablelllinkmeans of the constrainedlinkage.

'5. Inaleg-rest controlrarrangement as claimed in claim 1,-.said othervarmv of thesecondfdoublearmed lever being pivotally connected: with themovable link-means of the; constrained linkage.

6.. An/article of repose for supportinglthe' body of :a person,comprising in combination: .asupport, a constrained linkageihavingstationary link-means and a; plurality of movableliinks, said stationarylink-meansbeing included insaid support, said movable. links includinga. seat-member, a' back-rest. member, guiding meansandrachain ofconnecting links including a first connecting linkv-at oneend-ofuthechain anda second connectingslink at. the other end ofsthecham,.csaidguiding means being connected to said support andengaged with .atleastxone connecting link of said chain ofconnectinglinks, said firstconnecting linkibeing pivoted to said :baok-reshmember, said secondconnecting link being pivbtedztosthe front-portion of saidseat-member,ameansspivotally connecting at least one of said back restand seat'ememb'ers with ==said =support, ea first double armed lever, asecond double-armed lever, said two double-armed levers being pivotallyconnected with each other at an intermediate point thereof, in ascissor-like arrangement, the upper arm of said first double-armed leverbeing swingably mounted on the front portion of said seatmember, one armof said second double-armed lever projecting forwardly beyond thepivotal connection between said two double-armed levers, a leg-restswingably mounted on said forwardly projecting arm of said seconddouble-armed lever, and a controlling link pivotally connected at itsrear end with the lower arm of said first doub1earmed lever and at itsfront end with said leg-rest at a point remote from the pivotalconnection between said leg-rest and said forwardly projecting arm ofthe second double-armed lever, the other arm of said second double-armedlever being connected with a movable link of said constrained linkage soas to participate in movements of the latter whereby the distancebetween the pivots on the ends of said upper arm of the firstdoublearmed lever and said forwardly projecting arm of the seconddouble-armed lever is increased when the members of the article aremoved from a sitting position into a reclined position.

7. In an article of repose as claimed in claim 6, said other arm of thesecond double-armed lever being pivotally connected with a movable linkof said constrained linkage.

8. An article of repose for supporting the body of a person, comprisingin combination: a support, a constrained linkage having stationarylink-means and a plurality of movable links, said stationary link-meansbeing included in said support, said movable links including aseat-member, a back-rest member including a downward extensionprojecting below the plane of said seatmember, guiding means and a chainof connecting links including a lower connecting link at one end of thechain and a front connecting link at the other end of the chain, saidtwo connecting links being pivotally connected with each other, saidguiding means bein connected to said support and engaged with at leastone connecting link of said chain of connecting links, said lowerconnecting link being arranged below the plane of the seat-member andbeing pivoted to said downward extension of the back-rest member, saidfront connecting link being pivoted to the front portion of saidseat-member, means pivotally connecting at least one of said back-restand seat-members with said support, said front connecting link having adownward extension projecting downwardly beyond the pivotal connectionof the front connecting link with the lower connecting link, said lowerconnecting link having a forward extension projecting forwardly beyondthe pivotal connection of the lower connecting link with the frontconnecting link, a legrest swingably mounted on said forward extensionof the lower connecting link, and a controlling link pivotally connectedat its rear end with said downward extension of the front connectinglink and at its front end with said leg-rest at a point remote from thepivotal connection between said leg-rest and said forward extension ofthe lower connecting link whereby the distance between the pivot on theend of said forward extension of the lower connecting link and the pivotat the front portion of the seat-member is increased when the members ofthe article are moved from a sitting position into a reclined position.

9. An article of repose for supporting the body of a person, comprisingin combination: a support, a constrained linkage having stationarylink-means and a plurality of movable links, said stationary link-meansbeing included in said support, said movable links including aseat-member, a back-rest member including a downward extensionprojecting below the plane of said seatmember, a guiding link and achain of connecting links including a lower connecting link at one endof the chain and a front connecting link at the other end of the chain,at least one of said connecting links being arranged below the plane ofthe seat-member, said guiding link being pivoted to said support at onepoint and being connected with at least one connecting link of saidchain of connecting links at another point remote from the firstmentioned point, said lower connecting link being pivoted to saiddownward extension of the back-rest-member, said front connecting linkbeing pivoted to the front portion of said seatmember, means pivotallyconnecting at least one of said back-rest and seat-members with saidsupport, a first double-armed lever, a second double-armed lever, saidtwo double-arrned levers being pivotally connected with each other at anintermediate point thereof, in a scissorlike arrangement, the upper armof said first doublearmed lever being swingably mounted on the frontportion of said seat-member, one arm of said second double-armed leverprojecting forwardly beyond the pivotal connection between said twodouble-armed levers, a leg-rest swingably mounted on said forwardlyprojecting arm of said second double-armed lever, and a controlling linkpivotally connected at its rear end with the lower arm of said firstdouble-armed lever and at its front end with said leg-rest at a pointremote from the pivotal connection between said legrest and saidforwardly projecting arm of the second double-armed lever, the other armof said second double-armed lever being pivotally connected with thestructure of said guiding link so as to participate in movements of thelatter whereby the distance between the pivots on the ends of said upperarm of the first double-armed lever and said forwardly projecting arm ofthe second double-armed lever is increased when the members of thearticle are moved from a sitting position into a reclined position.

19. An article of repose for supporting the body of a person, comprisingin combination: a support, a constrained linkage having stationarylink-means and a plurality of movable links, said stationary link-meansbeing included in said support, said movable links including aseatmember, a back-rest member, a guiding link and a chain of connectinglinks including top connecting link at one end of the chain and a frontconnecting link at the other end of the chain, at least one of saidconnecting links being arranged above the plane of the seat-member, saidguiding link being pivoted to said support at one point and beingconnected with at least one connecting link of said chain of connectinglinks at another point remote from the first mentioned point, said topconnecting link being pivoted to said back-rest member, said frontconnecting link being pivoted to the front portion of said seat-member,means pivotally connecting at least one of said back-rest andseat-members with said support, a first double-armed lever, a seconddouble-armed lever, said two double-armed levers being pivotallyconnected with each other at an intermediate point thereof, in ascissorlike arrangement, the upper arm of said first doubleammo ar'medrilever: being swin' gably mountediom the frontzportiom-ofi'isaidiseat-member; one -arm-' of said :seconddouble-armed3lever projecting forwardlys beyond theepivotalc connection between said-.Ftwo: double armed'leverm a leg rest swingably mounted on said: forwardly projecting armoff-said (second doubler-armed lever; andia cone trolling slinkpivotally; connected at its rear end witlri the: lowerarm of said:*first double-armed lever: and: at 1 itsnfront end 'with- -'said:legrestat aspoint remote from thepivotal connecti'on -be tweenzsaidlegrestand 'said forwardlyprojecting armoiithe seconddouble*armed"lever; the--other armmfsaid SecOndbQubl'e-armed lever beingpivotally connected: with thestructure of said guidingrlink soas: toparticipate in movements of i the latter whereby the =distance--between*the pivots on theends ofsaid upper armofthe first double-armed lever andsaid forwardly proj ecting armof 'the :second double'armed lever isincreased" when the members of the article are moved from a sittingposition into i reclined position:-

11'. An-article-of repose for supportingthe b'ody of 'a 5 person;comprising incombi-natiori: I a sup-' port;- a= baok-rest structurepivoted to saidsupport,: aseat-structurepivoted" to said support;

a controlling member swingably mounted on said: support; aconneetinglinkpivotedat" one offiits ends to said -backwest-stru cture and at'itsother end to said controlling' member; means positioned between saidswingablecon-trolling member-and said seat-structure to effect-movementof said" seat-structure in coordination with said controlling: member;-a first double-armed" lever, a: second doublearmed lever; said twodoublearmedlevers beingpivotally connected with each other at anintermediate point thereof; in' a scissorlike arrangement, theupperarm-- of i said first double-armed leverbeing swingably mountedonthe front-portionofsaidtseat structure, one arm of saidseconddouble-armedlever projecting forwardly beyond the pivotal connectionbetween said two double-armedlevers; a leg-restswingably mounted on"saidforwardly projecting arm of said second double-armed lever; anda-controlling link pivotally connected at its rear end with the lowerarm of 'said' first double-armed lever-and-at itsfront end with said leg-rest at a-point remote fromiherpivotalconnection between said leg-rest'and'said forwardly projecting-arm' of-sthesecond-dmble armed lever, theother arm of said second,double-armed tlever being pivoted tosaidlswingableqcontrolling memberso astto participate in.-.,movementse.ofs the latter whereby the distance between the pivots on the ends ofsaid upper arm of the first doublearmed lever and said iorwardlprojecting arm of the second double-armed lever is increased when themembers of the article are moved from a sitting position into a reclinedposition.

12. In an article of respose as claimed in claim 11, said meanspositioned between the controlling member and the seat-structureincluding a roller journalled on said controlling member and engagedwith said seat-structure;

13. In an article of repose as claimed in claim 11, said meanspositioned between the controlling member, and the seat-structureincluding a second connecting link pivoted at one of its ends to saidcontrolling member and at its other end to said seat-structure.

14. An article of repose for supporting the body ofa person, comprisingin combination: a support, a unit including a back-rest and a seat IIIrigidfwith each other, said unit: beingswingably mounted on saidsupport; a first double-armed lever; a: second: double-armed lever; saidtwo doubleearmedi levers being pivotally connected with each otherat==an= intermediate :point' there oiiin: a scissor likearrangement; theupper arm of? said; first double-armed "lever being swingably mounted ontheseat 'portion of said unit near: the'=frontaend-'thereof-, one arm"of said sec-'- ond double-armed lever" projecting forwardly beyondthe-pivotal 1 connection between said-"two doubleearmed leversz and=b'elow= saidpivotal con-'- nectionbetween the'seat portion ofthe unitand the upper. arm of the first double-armed lever, aclegerest:swingablymounted on said' forwardly projecting arm of said" second double armedlever; a. .controlling link pivotally connected at its; rearend" with rthe lower arm oi-saidfirst double-armed lever and at its front end withsaid leg-rest atza point remote from the pivotalconmotion betweensaidileg-rest and said forwardly projecting-arm of the seconddouble-armed lever; the: pivotal connection between v the seat-portionofftheunit andthe upper arm of the first=double-'- armed-lever beingabove the I pivotal connection between the leg-rest and the forwardly project ingrarm; of I the second double-armed leven and above the otherbefore mentionedpivotal-*con nectionsof said 'twodouble-armed "levelswhen the unit isrirr itssitting position; and controlling meanspositioned between said unit and-the other arm of said seconddouble-armed lever--so ''-asto effect movements ofthe latterincoordination with said .unit whereby the distance between the pivots on:the endsof said-upper arm of the first double-armed lever-and said"forwardly project ing: arm of the, second"'double armed-lever-is-increasedwhen the members ofthearticle are moved from asittingpositioninto areclined position.

15. An article of repose' for 'supporting the body 'of arperson,comprising in' combination: a support; a unit including a back-rest anda seat rigid witheach other, said-unit being swingably mounted: on said"support; adownward ex tension 2 on 'said *unit "proj ecting downwardlybelowwthe plane of"the seat, afirst double-armed lever; a seconddouble-armed lever,- said two double-armed levers beingpivotallyconnected with each :other at 'an intermediate point thereof;in: a scissorlike arrangement, the upper arm of said .1 firstdouble-armed" lever being 'swingably mounted on the seat'portion of-saidunit near the front end thereof, one arm* of said second double-armedlever"-projecting-forwardly*beyond the pivotal conneetion b'etweensaid*two double armed levers and below said pivotal connection betweenthe seat-portion of the unit and the upper arm of the first double-armedlever, a legrest swingably mounted on said forwardly projecting arm ofsaid second double-armed lever, a controlling link pivotally connectedat its rear end with the lower arm of said first doublearmed lever andat its front end with said legrest at a point remote from the pivotalconnection between said leg-rest and said forwardly projecting arm ofthe second double-armed lever, the pivotal connection between theseat-portion of the unit and the upper arm of the first doublearmedlever being above the pivotal connection between the leg-rest and theforwardly projecting arm of the second double-armed lever and above theother before mentioned pivotal connections of said two double-armedlevers when the unit is in its sitting position, and controlling meanspositioned between said downward extension of the unit and the other armof said sec ond double-armed lever so as to effect movements of thelatter in coordination with said unit whereby the distance between thepivots on the ends of said upper arm of the first double-armed lever andsaid forwardly projecting arm of the second double-armed lever isincreased when the members of the article are moved from a sittingposition into a reclined position.

16. An article of repose for supporting the body of a person, comprisingin combination: a support, a unit including a back-rest and a seat rigidwith each other, said unit being swingably mounted on said support, acontrolling member swingably mounted on said support, a connecting linkpivoted at one of its ends to said unit and at its other end to saidswingable controlling member, a first double-armed lever, a seconddouble-armed lever, said two doublearmed levers being pivotallyconnected with each other at an intermediate point thereof, in ascissor-like arrangement, the upper arm of said first double-armed leverbeing swingably mounted on the seat portion of said unit near the frontend thereof, one arm of said second double-armed lever projectingforwardly beyond the pivotal connection between said two double armedlevers and below said pivotal connections between the seat-portion ofthe unit and the upper arm of the first double-armed lever, a legrestswingably mounted on said forwardly projecting arm of said seconddouble-armed lever, and a controlling link pivotally connected at itsrear end with the lower arm of said first doublearmed lever and at itsfront end with said legrest at a point remote from the pivotalconnection between said leg-rest and said forwardly projecting arm ofthe second double-armed lever, the pivotal connection between theseat-portion of the unit and the upper arm of the first double armedlever being above the pivotal connection between the leg-rest and theforwardly projecting arm of the second double-armed lever and above theother before mentioned pivotal connections of said two double-armedlevers when the unit is in its sitting position, and the other arm ofsaid second double-armed lever being pivoted to said swingablecontrolling member so as to participate in movements of the latterwhereby the distance between the pivots'on the ends of said upper arm ofthe first double-armed lever and said forwardly projecting arm of thesecond double-armed lever is increased when the members of the articleare moved from a sitting position into a reclined position.

17. An article of repose for supporting the body of a person, comprisingin combination: a support, a unit including a back-rest and a seat rigidwith each other, said unit being swingably mounted on said support, adownward extension on said unit projecting downwardly below the plane ofthe seat, a controlling member swingably mounted on said support, aconnecting link pivoted at one of its end to said downward extension ofthe unit and at its other end to said swingable controlling member, afirst doublearmed lever, a second double-armed lever, said twodouble-armed levers being pivotally connected with each other at anintermediate point thereof, in a scissorlike arrangement, the upper armof said first double-armed lever being swingably mounted on theseat-portion of said unit near the front end thereof, one arm of saidsecond double-armed lever projecting forwardly beyond the pivotalconnection between said two double-armed levers and below said pivotalconnection between the seat-portion of the unit and the upper arm of thefirst double-armed lever, a leg-rest swingably mounted on said forwardlyprojecting arm of said second double-armed lever, and a controlling linkpivotally connected at its rear end with the lower arm of said firstdouble-armed lever and at its front end with said leg-rest at a pointremote from the pivotal connection between said leg-rest and saidforwardly projecting arm of the second double-armed lever, the pivotalconnection between the seat-portion of the unit and the upper arm of thefirst doublearmed lever being above the pivotal connection between theleg-rest and the forwardly projecting arm of the second double-armedlever and above the other before mentioned pivotal connections of saidtwo double-armed levers when the unit is in its sitting position, andthe other arm of said second double-armed lever being pivoted to saidswingable controlling member so as to participate in movements of thelatter whereby the distance between the pivots on the ends of said upperarm of the first double-armed lever and said forwardly projecting arm ofthe second double-armed lever is increased when the members of thearticle are moved from a sitting position into a reclined position.

JOI-IANNES LUCKHARDT.

' References Cited in the file of this patent UNITED STATES PATENTSNumber Name Date 2,227,597 Luckhardt et al Jan. '7, 1941 2,604,141Maurer July 22, 1952

